Scoring Saw Blade Orthogonal Adjustment via Eccentric Gear

Resolve Bottlenecks,
Find Innovative Solutions
Generate Solutions

Solution Overview

Problem

Existing panel dividing systems face challenges in precisely aligning and adjusting the scoring saw blade for thick stacks of workpieces, particularly with surface coatings, which can lead to tearing during the cutting process.

Innovation Solution

A panel dividing system with a self-locking, compact eccentric gear mechanism that allows precise orthogonal adjustment of the scoring saw blade, combined with a vertical input shaft and absolute measuring system, enabling accurate positioning and vertical scoring capabilities within a narrow machine foot.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Measurement precision

If an electrically operable threaded rod is used to adjust the scoring saw blade, then the adjustment can be performed, but the device becomes complex and large in dimensions

Engineering Contradiction:
Improvealignment precisionVSAvoidadjustment mechanism complexity
Core Design Contradiction:
Measurement precisionVSDevice complexity

Solution Approach 1:

The patent extracts the adjustment function from a complex electrically operable threaded rod system and implements it through a simple manual adjustment mechanism with a adjusting screw that directly modifies the position of the scoring saw blade holder, eliminating unnecessary complexity while maintaining adjustment capability

Inventive Principle:
Principle #2Taking out (Extraction)

Solution Approach 2:

Instead of using a complex expansion mechanism to achieve adjustment, the patent inverts the approach by using a compression-based adjusting screw mechanism that pushes the scoring saw blade holder to achieve precise positioning, simplifying the overall structure

Inventive Principle:
Principle #13The other way round (Inversion)

2Length of moving object

If the scoring saw is made narrow to fit in machine foot, then space is saved, but adjustment capability and stability are reduced

Engineering Contradiction:
Improvescoring saw widthVSAvoidadjustment stability
Core Design Contradiction:
Length of moving objectVSReliability

Solution Approach 1:

The patent relocates the adjustment mechanism from a lateral configuration to a vertical configuration, with the adjusting screw acting vertically on the scoring saw blade holder from above, allowing the scoring saw to maintain a narrow lateral profile while preserving full adjustment capability through vertical movement

Inventive Principle:
Principle #17Another dimension (Dimensionality change)

Solution Approach 2:

The adjusting screw mechanism is nested within the compact structure of the scoring saw assembly, with the screw shaft and adjustment components integrated into the vertical space above the scoring saw blade holder, maintaining a narrow overall width while incorporating full adjustment functionality

Inventive Principle:
Principle #7Nested doll (Nesting)

3Manufacturing precision

If the scoring saw blade is adjusted laterally, then alignment can be achieved, but the device width increases

Engineering Contradiction:
Improveblade alignmentVSAvoiddevice width
Core Design Contradiction:
Manufacturing precisionVSLength of moving object

Solution Approach 1:

The patent changes the adjustment dimension from lateral (horizontal) to vertical, with the adjusting screw moving the scoring saw blade holder up and down to achieve alignment, thereby maintaining a narrow device width while still achieving precise blade positioning through vertical displacement

Inventive Principle:
Principle #17Another dimension (Dimensionality change)

Applied Scientific Principles

This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.

Function Achieved in This Case

The system ensures precise alignment and adjustment of the scoring saw blade, preventing surface tearing and allowing for efficient cutting of thick workpieces, even with surface coatings, by enabling vertical scoring and maintaining a narrow profile for easy integration into existing machinery.

Implementation Method 1

a) an eccentric gear (78, 82), whose input shaft (74) is essentially vertical, whose adjustment screw (88) acts on the eccentric disk (82) indirectly

Methodology Applied
Scientific EffectEccentric mechanism: Eccentric

Data Source

PatentEP2433731B1Board partitioning assembly for partitioning plate-shaped work pieces
Publication Date: 2016.06.22 HOLZMA PLATTENAUFTEILTECHNIK GMBH
  • EP2433731B1 patent drawingFigure 1
  • EP2433731B1 patent drawingFigure 2~4
  • EP2433731B1 patent drawingFigure 5

AI summary

The panel saw comprises a carriage (60) provided along a sawing line. A scoring saw and a main saw are positioned on the carriage. The scoring saw is formed with a bearing portion (68) mounted with a scoring saw blade (30). The bearing portion is moved in a direction (32) orthogonal to the plane of scoring saw blade relative to the bearing portion (70) by an adjusting device. An input shaft is mounted on a bearing portion (70). The end of eccentric disc is coupled with the bearing portion (68). An independent claim is included for method for operating panel saw.